d/aws_launch_template: Change 'network_interfaces.delete_on_termination' to TypeString, matching associated resource.
d/aws_launch_template: Change 'network_interfaces.delete_on_termination' to TypeString, matching associated resource.

Acceptance test output:

$ make testacc TEST=./aws/ TESTARGS='-run=TestAccAWSLaunchTemplateDataSource_networkInterfaces_deleteOnTermination'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -count 1 -parallel 20 -run=TestAccAWSLaunchTemplateDataSource_networkInterfaces_deleteOnTermination -timeout 120m
=== RUN   TestAccAWSLaunchTemplateDataSource_networkInterfaces_deleteOnTermination
=== PAUSE TestAccAWSLaunchTemplateDataSource_networkInterfaces_deleteOnTermination
=== CONT  TestAccAWSLaunchTemplateDataSource_networkInterfaces_deleteOnTermination
--- PASS: TestAccAWSLaunchTemplateDataSource_networkInterfaces_deleteOnTermination (44.91s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	44.948s

terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws